2635 lines
73 KiB
C
2635 lines
73 KiB
C
/*
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* Copyright (c) 2015, Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/etherdevice.h>
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#include <linux/mlx5/driver.h>
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#include <linux/mlx5/mlx5_ifc.h>
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#include <linux/mlx5/vport.h>
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#include <linux/mlx5/fs.h>
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#include "mlx5_core.h"
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#include "lib/eq.h"
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#include "eswitch.h"
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#include "fs_core.h"
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#include "ecpf.h"
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enum {
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MLX5_ACTION_NONE = 0,
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MLX5_ACTION_ADD = 1,
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MLX5_ACTION_DEL = 2,
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};
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/* Vport UC/MC hash node */
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struct vport_addr {
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struct l2addr_node node;
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u8 action;
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u16 vport;
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struct mlx5_flow_handle *flow_rule;
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bool mpfs; /* UC MAC was added to MPFs */
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/* A flag indicating that mac was added due to mc promiscuous vport */
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bool mc_promisc;
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};
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static void esw_destroy_legacy_fdb_table(struct mlx5_eswitch *esw);
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static void esw_cleanup_vepa_rules(struct mlx5_eswitch *esw);
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struct mlx5_vport *__must_check
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mlx5_eswitch_get_vport(struct mlx5_eswitch *esw, u16 vport_num)
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{
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u16 idx;
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if (!esw || !MLX5_CAP_GEN(esw->dev, vport_group_manager))
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return ERR_PTR(-EPERM);
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idx = mlx5_eswitch_vport_num_to_index(esw, vport_num);
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if (idx > esw->total_vports - 1) {
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esw_debug(esw->dev, "vport out of range: num(0x%x), idx(0x%x)\n",
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vport_num, idx);
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return ERR_PTR(-EINVAL);
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}
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return &esw->vports[idx];
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}
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static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport,
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u32 events_mask)
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{
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int in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {0};
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int out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {0};
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void *nic_vport_ctx;
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MLX5_SET(modify_nic_vport_context_in, in,
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opcode, MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
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MLX5_SET(modify_nic_vport_context_in, in, field_select.change_event, 1);
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MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
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MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
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nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in,
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in, nic_vport_context);
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MLX5_SET(nic_vport_context, nic_vport_ctx, arm_change_event, 1);
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if (events_mask & MLX5_VPORT_UC_ADDR_CHANGE)
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MLX5_SET(nic_vport_context, nic_vport_ctx,
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event_on_uc_address_change, 1);
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if (events_mask & MLX5_VPORT_MC_ADDR_CHANGE)
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MLX5_SET(nic_vport_context, nic_vport_ctx,
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event_on_mc_address_change, 1);
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if (events_mask & MLX5_VPORT_PROMISC_CHANGE)
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MLX5_SET(nic_vport_context, nic_vport_ctx,
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event_on_promisc_change, 1);
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return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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}
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/* E-Switch vport context HW commands */
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static int modify_esw_vport_context_cmd(struct mlx5_core_dev *dev, u16 vport,
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void *in, int inlen)
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{
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u32 out[MLX5_ST_SZ_DW(modify_esw_vport_context_out)] = {0};
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MLX5_SET(modify_esw_vport_context_in, in, opcode,
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MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT);
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MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
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MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1);
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return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
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}
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int mlx5_eswitch_modify_esw_vport_context(struct mlx5_eswitch *esw, u16 vport,
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void *in, int inlen)
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{
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return modify_esw_vport_context_cmd(esw->dev, vport, in, inlen);
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}
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static int query_esw_vport_context_cmd(struct mlx5_core_dev *dev, u16 vport,
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void *out, int outlen)
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{
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u32 in[MLX5_ST_SZ_DW(query_esw_vport_context_in)] = {};
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MLX5_SET(query_esw_vport_context_in, in, opcode,
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MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT);
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MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
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MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1);
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return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
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}
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int mlx5_eswitch_query_esw_vport_context(struct mlx5_eswitch *esw, u16 vport,
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void *out, int outlen)
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{
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return query_esw_vport_context_cmd(esw->dev, vport, out, outlen);
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}
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static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u16 vport,
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u16 vlan, u8 qos, u8 set_flags)
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{
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u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {0};
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if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
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!MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
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return -EOPNOTSUPP;
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esw_debug(dev, "Set Vport[%d] VLAN %d qos %d set=%x\n",
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vport, vlan, qos, set_flags);
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if (set_flags & SET_VLAN_STRIP)
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MLX5_SET(modify_esw_vport_context_in, in,
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esw_vport_context.vport_cvlan_strip, 1);
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if (set_flags & SET_VLAN_INSERT) {
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/* insert only if no vlan in packet */
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MLX5_SET(modify_esw_vport_context_in, in,
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esw_vport_context.vport_cvlan_insert, 1);
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MLX5_SET(modify_esw_vport_context_in, in,
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esw_vport_context.cvlan_pcp, qos);
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MLX5_SET(modify_esw_vport_context_in, in,
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esw_vport_context.cvlan_id, vlan);
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}
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MLX5_SET(modify_esw_vport_context_in, in,
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field_select.vport_cvlan_strip, 1);
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MLX5_SET(modify_esw_vport_context_in, in,
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field_select.vport_cvlan_insert, 1);
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return modify_esw_vport_context_cmd(dev, vport, in, sizeof(in));
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}
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/* E-Switch FDB */
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static struct mlx5_flow_handle *
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__esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u16 vport, bool rx_rule,
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u8 mac_c[ETH_ALEN], u8 mac_v[ETH_ALEN])
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{
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int match_header = (is_zero_ether_addr(mac_c) ? 0 :
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MLX5_MATCH_OUTER_HEADERS);
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struct mlx5_flow_handle *flow_rule = NULL;
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struct mlx5_flow_act flow_act = {0};
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struct mlx5_flow_destination dest = {};
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struct mlx5_flow_spec *spec;
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void *mv_misc = NULL;
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void *mc_misc = NULL;
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u8 *dmac_v = NULL;
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u8 *dmac_c = NULL;
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if (rx_rule)
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match_header |= MLX5_MATCH_MISC_PARAMETERS;
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spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
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if (!spec)
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return NULL;
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dmac_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
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outer_headers.dmac_47_16);
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dmac_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
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outer_headers.dmac_47_16);
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if (match_header & MLX5_MATCH_OUTER_HEADERS) {
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ether_addr_copy(dmac_v, mac_v);
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ether_addr_copy(dmac_c, mac_c);
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}
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if (match_header & MLX5_MATCH_MISC_PARAMETERS) {
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mv_misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
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misc_parameters);
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mc_misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
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misc_parameters);
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MLX5_SET(fte_match_set_misc, mv_misc, source_port, MLX5_VPORT_UPLINK);
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MLX5_SET_TO_ONES(fte_match_set_misc, mc_misc, source_port);
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}
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dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
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dest.vport.num = vport;
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esw_debug(esw->dev,
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"\tFDB add rule dmac_v(%pM) dmac_c(%pM) -> vport(%d)\n",
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dmac_v, dmac_c, vport);
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spec->match_criteria_enable = match_header;
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flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
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flow_rule =
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mlx5_add_flow_rules(esw->fdb_table.legacy.fdb, spec,
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&flow_act, &dest, 1);
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if (IS_ERR(flow_rule)) {
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esw_warn(esw->dev,
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"FDB: Failed to add flow rule: dmac_v(%pM) dmac_c(%pM) -> vport(%d), err(%ld)\n",
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dmac_v, dmac_c, vport, PTR_ERR(flow_rule));
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flow_rule = NULL;
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}
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kvfree(spec);
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return flow_rule;
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}
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static struct mlx5_flow_handle *
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esw_fdb_set_vport_rule(struct mlx5_eswitch *esw, u8 mac[ETH_ALEN], u16 vport)
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{
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u8 mac_c[ETH_ALEN];
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eth_broadcast_addr(mac_c);
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return __esw_fdb_set_vport_rule(esw, vport, false, mac_c, mac);
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}
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static struct mlx5_flow_handle *
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esw_fdb_set_vport_allmulti_rule(struct mlx5_eswitch *esw, u16 vport)
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{
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u8 mac_c[ETH_ALEN];
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u8 mac_v[ETH_ALEN];
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eth_zero_addr(mac_c);
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eth_zero_addr(mac_v);
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mac_c[0] = 0x01;
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mac_v[0] = 0x01;
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return __esw_fdb_set_vport_rule(esw, vport, false, mac_c, mac_v);
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}
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static struct mlx5_flow_handle *
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esw_fdb_set_vport_promisc_rule(struct mlx5_eswitch *esw, u16 vport)
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{
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u8 mac_c[ETH_ALEN];
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u8 mac_v[ETH_ALEN];
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eth_zero_addr(mac_c);
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eth_zero_addr(mac_v);
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return __esw_fdb_set_vport_rule(esw, vport, true, mac_c, mac_v);
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}
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enum {
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LEGACY_VEPA_PRIO = 0,
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LEGACY_FDB_PRIO,
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};
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static int esw_create_legacy_vepa_table(struct mlx5_eswitch *esw)
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{
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struct mlx5_core_dev *dev = esw->dev;
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struct mlx5_flow_namespace *root_ns;
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struct mlx5_flow_table *fdb;
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int err;
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root_ns = mlx5_get_fdb_sub_ns(dev, 0);
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if (!root_ns) {
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esw_warn(dev, "Failed to get FDB flow namespace\n");
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return -EOPNOTSUPP;
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}
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/* num FTE 2, num FG 2 */
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fdb = mlx5_create_auto_grouped_flow_table(root_ns, LEGACY_VEPA_PRIO,
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2, 2, 0, 0);
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if (IS_ERR(fdb)) {
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err = PTR_ERR(fdb);
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esw_warn(dev, "Failed to create VEPA FDB err %d\n", err);
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return err;
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}
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esw->fdb_table.legacy.vepa_fdb = fdb;
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return 0;
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}
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static int esw_create_legacy_fdb_table(struct mlx5_eswitch *esw)
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{
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int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
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struct mlx5_flow_table_attr ft_attr = {};
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struct mlx5_core_dev *dev = esw->dev;
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struct mlx5_flow_namespace *root_ns;
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struct mlx5_flow_table *fdb;
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struct mlx5_flow_group *g;
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void *match_criteria;
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int table_size;
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u32 *flow_group_in;
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u8 *dmac;
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int err = 0;
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esw_debug(dev, "Create FDB log_max_size(%d)\n",
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MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size));
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root_ns = mlx5_get_fdb_sub_ns(dev, 0);
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if (!root_ns) {
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esw_warn(dev, "Failed to get FDB flow namespace\n");
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return -EOPNOTSUPP;
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}
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flow_group_in = kvzalloc(inlen, GFP_KERNEL);
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if (!flow_group_in)
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return -ENOMEM;
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table_size = BIT(MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size));
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ft_attr.max_fte = table_size;
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ft_attr.prio = LEGACY_FDB_PRIO;
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fdb = mlx5_create_flow_table(root_ns, &ft_attr);
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if (IS_ERR(fdb)) {
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err = PTR_ERR(fdb);
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esw_warn(dev, "Failed to create FDB Table err %d\n", err);
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goto out;
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}
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esw->fdb_table.legacy.fdb = fdb;
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/* Addresses group : Full match unicast/multicast addresses */
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MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
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MLX5_MATCH_OUTER_HEADERS);
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match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
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dmac = MLX5_ADDR_OF(fte_match_param, match_criteria, outer_headers.dmac_47_16);
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MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
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/* Preserve 2 entries for allmulti and promisc rules*/
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MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 3);
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eth_broadcast_addr(dmac);
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g = mlx5_create_flow_group(fdb, flow_group_in);
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if (IS_ERR(g)) {
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err = PTR_ERR(g);
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esw_warn(dev, "Failed to create flow group err(%d)\n", err);
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goto out;
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}
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esw->fdb_table.legacy.addr_grp = g;
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/* Allmulti group : One rule that forwards any mcast traffic */
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MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
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MLX5_MATCH_OUTER_HEADERS);
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MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, table_size - 2);
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MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 2);
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eth_zero_addr(dmac);
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dmac[0] = 0x01;
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g = mlx5_create_flow_group(fdb, flow_group_in);
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if (IS_ERR(g)) {
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err = PTR_ERR(g);
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esw_warn(dev, "Failed to create allmulti flow group err(%d)\n", err);
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goto out;
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}
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esw->fdb_table.legacy.allmulti_grp = g;
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|
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/* Promiscuous group :
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* One rule that forward all unmatched traffic from previous groups
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*/
|
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eth_zero_addr(dmac);
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MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
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MLX5_MATCH_MISC_PARAMETERS);
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MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_port);
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MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, table_size - 1);
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MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, table_size - 1);
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g = mlx5_create_flow_group(fdb, flow_group_in);
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if (IS_ERR(g)) {
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err = PTR_ERR(g);
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esw_warn(dev, "Failed to create promisc flow group err(%d)\n", err);
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goto out;
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}
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esw->fdb_table.legacy.promisc_grp = g;
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out:
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if (err)
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esw_destroy_legacy_fdb_table(esw);
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|
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kvfree(flow_group_in);
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return err;
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}
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|
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static void esw_destroy_legacy_vepa_table(struct mlx5_eswitch *esw)
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{
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esw_debug(esw->dev, "Destroy VEPA Table\n");
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if (!esw->fdb_table.legacy.vepa_fdb)
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return;
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|
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mlx5_destroy_flow_table(esw->fdb_table.legacy.vepa_fdb);
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esw->fdb_table.legacy.vepa_fdb = NULL;
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}
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|
|
static void esw_destroy_legacy_fdb_table(struct mlx5_eswitch *esw)
|
|
{
|
|
esw_debug(esw->dev, "Destroy FDB Table\n");
|
|
if (!esw->fdb_table.legacy.fdb)
|
|
return;
|
|
|
|
if (esw->fdb_table.legacy.promisc_grp)
|
|
mlx5_destroy_flow_group(esw->fdb_table.legacy.promisc_grp);
|
|
if (esw->fdb_table.legacy.allmulti_grp)
|
|
mlx5_destroy_flow_group(esw->fdb_table.legacy.allmulti_grp);
|
|
if (esw->fdb_table.legacy.addr_grp)
|
|
mlx5_destroy_flow_group(esw->fdb_table.legacy.addr_grp);
|
|
mlx5_destroy_flow_table(esw->fdb_table.legacy.fdb);
|
|
|
|
esw->fdb_table.legacy.fdb = NULL;
|
|
esw->fdb_table.legacy.addr_grp = NULL;
|
|
esw->fdb_table.legacy.allmulti_grp = NULL;
|
|
esw->fdb_table.legacy.promisc_grp = NULL;
|
|
}
|
|
|
|
static int esw_create_legacy_table(struct mlx5_eswitch *esw)
|
|
{
|
|
int err;
|
|
|
|
memset(&esw->fdb_table.legacy, 0, sizeof(struct legacy_fdb));
|
|
|
|
err = esw_create_legacy_vepa_table(esw);
|
|
if (err)
|
|
return err;
|
|
|
|
err = esw_create_legacy_fdb_table(esw);
|
|
if (err)
|
|
esw_destroy_legacy_vepa_table(esw);
|
|
|
|
return err;
|
|
}
|
|
|
|
#define MLX5_LEGACY_SRIOV_VPORT_EVENTS (MLX5_VPORT_UC_ADDR_CHANGE | \
|
|
MLX5_VPORT_MC_ADDR_CHANGE | \
|
|
MLX5_VPORT_PROMISC_CHANGE)
|
|
|
|
static int esw_legacy_enable(struct mlx5_eswitch *esw)
|
|
{
|
|
int ret;
|
|
|
|
ret = esw_create_legacy_table(esw);
|
|
if (ret)
|
|
return ret;
|
|
|
|
mlx5_eswitch_enable_pf_vf_vports(esw, MLX5_LEGACY_SRIOV_VPORT_EVENTS);
|
|
return 0;
|
|
}
|
|
|
|
static void esw_destroy_legacy_table(struct mlx5_eswitch *esw)
|
|
{
|
|
esw_cleanup_vepa_rules(esw);
|
|
esw_destroy_legacy_fdb_table(esw);
|
|
esw_destroy_legacy_vepa_table(esw);
|
|
}
|
|
|
|
static void esw_legacy_disable(struct mlx5_eswitch *esw)
|
|
{
|
|
struct esw_mc_addr *mc_promisc;
|
|
|
|
mlx5_eswitch_disable_pf_vf_vports(esw);
|
|
|
|
mc_promisc = &esw->mc_promisc;
|
|
if (mc_promisc->uplink_rule)
|
|
mlx5_del_flow_rules(mc_promisc->uplink_rule);
|
|
|
|
esw_destroy_legacy_table(esw);
|
|
}
|
|
|
|
/* E-Switch vport UC/MC lists management */
|
|
typedef int (*vport_addr_action)(struct mlx5_eswitch *esw,
|
|
struct vport_addr *vaddr);
|
|
|
|
static int esw_add_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
|
|
{
|
|
u8 *mac = vaddr->node.addr;
|
|
u16 vport = vaddr->vport;
|
|
int err;
|
|
|
|
/* Skip mlx5_mpfs_add_mac for eswitch_managers,
|
|
* it is already done by its netdev in mlx5e_execute_l2_action
|
|
*/
|
|
if (esw->manager_vport == vport)
|
|
goto fdb_add;
|
|
|
|
err = mlx5_mpfs_add_mac(esw->dev, mac);
|
|
if (err) {
|
|
esw_warn(esw->dev,
|
|
"Failed to add L2 table mac(%pM) for vport(0x%x), err(%d)\n",
|
|
mac, vport, err);
|
|
return err;
|
|
}
|
|
vaddr->mpfs = true;
|
|
|
|
fdb_add:
|
|
/* SRIOV is enabled: Forward UC MAC to vport */
|
|
if (esw->fdb_table.legacy.fdb && esw->mode == MLX5_ESWITCH_LEGACY)
|
|
vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport);
|
|
|
|
esw_debug(esw->dev, "\tADDED UC MAC: vport[%d] %pM fr(%p)\n",
|
|
vport, mac, vaddr->flow_rule);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int esw_del_uc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
|
|
{
|
|
u8 *mac = vaddr->node.addr;
|
|
u16 vport = vaddr->vport;
|
|
int err = 0;
|
|
|
|
/* Skip mlx5_mpfs_del_mac for eswitch managerss,
|
|
* it is already done by its netdev in mlx5e_execute_l2_action
|
|
*/
|
|
if (!vaddr->mpfs || esw->manager_vport == vport)
|
|
goto fdb_del;
|
|
|
|
err = mlx5_mpfs_del_mac(esw->dev, mac);
|
|
if (err)
|
|
esw_warn(esw->dev,
|
|
"Failed to del L2 table mac(%pM) for vport(%d), err(%d)\n",
|
|
mac, vport, err);
|
|
vaddr->mpfs = false;
|
|
|
|
fdb_del:
|
|
if (vaddr->flow_rule)
|
|
mlx5_del_flow_rules(vaddr->flow_rule);
|
|
vaddr->flow_rule = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void update_allmulti_vports(struct mlx5_eswitch *esw,
|
|
struct vport_addr *vaddr,
|
|
struct esw_mc_addr *esw_mc)
|
|
{
|
|
u8 *mac = vaddr->node.addr;
|
|
struct mlx5_vport *vport;
|
|
u16 i, vport_num;
|
|
|
|
mlx5_esw_for_all_vports(esw, i, vport) {
|
|
struct hlist_head *vport_hash = vport->mc_list;
|
|
struct vport_addr *iter_vaddr =
|
|
l2addr_hash_find(vport_hash,
|
|
mac,
|
|
struct vport_addr);
|
|
vport_num = vport->vport;
|
|
if (IS_ERR_OR_NULL(vport->allmulti_rule) ||
|
|
vaddr->vport == vport_num)
|
|
continue;
|
|
switch (vaddr->action) {
|
|
case MLX5_ACTION_ADD:
|
|
if (iter_vaddr)
|
|
continue;
|
|
iter_vaddr = l2addr_hash_add(vport_hash, mac,
|
|
struct vport_addr,
|
|
GFP_KERNEL);
|
|
if (!iter_vaddr) {
|
|
esw_warn(esw->dev,
|
|
"ALL-MULTI: Failed to add MAC(%pM) to vport[%d] DB\n",
|
|
mac, vport_num);
|
|
continue;
|
|
}
|
|
iter_vaddr->vport = vport_num;
|
|
iter_vaddr->flow_rule =
|
|
esw_fdb_set_vport_rule(esw,
|
|
mac,
|
|
vport_num);
|
|
iter_vaddr->mc_promisc = true;
|
|
break;
|
|
case MLX5_ACTION_DEL:
|
|
if (!iter_vaddr)
|
|
continue;
|
|
mlx5_del_flow_rules(iter_vaddr->flow_rule);
|
|
l2addr_hash_del(iter_vaddr);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int esw_add_mc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
|
|
{
|
|
struct hlist_head *hash = esw->mc_table;
|
|
struct esw_mc_addr *esw_mc;
|
|
u8 *mac = vaddr->node.addr;
|
|
u16 vport = vaddr->vport;
|
|
|
|
if (!esw->fdb_table.legacy.fdb)
|
|
return 0;
|
|
|
|
esw_mc = l2addr_hash_find(hash, mac, struct esw_mc_addr);
|
|
if (esw_mc)
|
|
goto add;
|
|
|
|
esw_mc = l2addr_hash_add(hash, mac, struct esw_mc_addr, GFP_KERNEL);
|
|
if (!esw_mc)
|
|
return -ENOMEM;
|
|
|
|
esw_mc->uplink_rule = /* Forward MC MAC to Uplink */
|
|
esw_fdb_set_vport_rule(esw, mac, MLX5_VPORT_UPLINK);
|
|
|
|
/* Add this multicast mac to all the mc promiscuous vports */
|
|
update_allmulti_vports(esw, vaddr, esw_mc);
|
|
|
|
add:
|
|
/* If the multicast mac is added as a result of mc promiscuous vport,
|
|
* don't increment the multicast ref count
|
|
*/
|
|
if (!vaddr->mc_promisc)
|
|
esw_mc->refcnt++;
|
|
|
|
/* Forward MC MAC to vport */
|
|
vaddr->flow_rule = esw_fdb_set_vport_rule(esw, mac, vport);
|
|
esw_debug(esw->dev,
|
|
"\tADDED MC MAC: vport[%d] %pM fr(%p) refcnt(%d) uplinkfr(%p)\n",
|
|
vport, mac, vaddr->flow_rule,
|
|
esw_mc->refcnt, esw_mc->uplink_rule);
|
|
return 0;
|
|
}
|
|
|
|
static int esw_del_mc_addr(struct mlx5_eswitch *esw, struct vport_addr *vaddr)
|
|
{
|
|
struct hlist_head *hash = esw->mc_table;
|
|
struct esw_mc_addr *esw_mc;
|
|
u8 *mac = vaddr->node.addr;
|
|
u16 vport = vaddr->vport;
|
|
|
|
if (!esw->fdb_table.legacy.fdb)
|
|
return 0;
|
|
|
|
esw_mc = l2addr_hash_find(hash, mac, struct esw_mc_addr);
|
|
if (!esw_mc) {
|
|
esw_warn(esw->dev,
|
|
"Failed to find eswitch MC addr for MAC(%pM) vport(%d)",
|
|
mac, vport);
|
|
return -EINVAL;
|
|
}
|
|
esw_debug(esw->dev,
|
|
"\tDELETE MC MAC: vport[%d] %pM fr(%p) refcnt(%d) uplinkfr(%p)\n",
|
|
vport, mac, vaddr->flow_rule, esw_mc->refcnt,
|
|
esw_mc->uplink_rule);
|
|
|
|
if (vaddr->flow_rule)
|
|
mlx5_del_flow_rules(vaddr->flow_rule);
|
|
vaddr->flow_rule = NULL;
|
|
|
|
/* If the multicast mac is added as a result of mc promiscuous vport,
|
|
* don't decrement the multicast ref count.
|
|
*/
|
|
if (vaddr->mc_promisc || (--esw_mc->refcnt > 0))
|
|
return 0;
|
|
|
|
/* Remove this multicast mac from all the mc promiscuous vports */
|
|
update_allmulti_vports(esw, vaddr, esw_mc);
|
|
|
|
if (esw_mc->uplink_rule)
|
|
mlx5_del_flow_rules(esw_mc->uplink_rule);
|
|
|
|
l2addr_hash_del(esw_mc);
|
|
return 0;
|
|
}
|
|
|
|
/* Apply vport UC/MC list to HW l2 table and FDB table */
|
|
static void esw_apply_vport_addr_list(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport, int list_type)
|
|
{
|
|
bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC;
|
|
vport_addr_action vport_addr_add;
|
|
vport_addr_action vport_addr_del;
|
|
struct vport_addr *addr;
|
|
struct l2addr_node *node;
|
|
struct hlist_head *hash;
|
|
struct hlist_node *tmp;
|
|
int hi;
|
|
|
|
vport_addr_add = is_uc ? esw_add_uc_addr :
|
|
esw_add_mc_addr;
|
|
vport_addr_del = is_uc ? esw_del_uc_addr :
|
|
esw_del_mc_addr;
|
|
|
|
hash = is_uc ? vport->uc_list : vport->mc_list;
|
|
for_each_l2hash_node(node, tmp, hash, hi) {
|
|
addr = container_of(node, struct vport_addr, node);
|
|
switch (addr->action) {
|
|
case MLX5_ACTION_ADD:
|
|
vport_addr_add(esw, addr);
|
|
addr->action = MLX5_ACTION_NONE;
|
|
break;
|
|
case MLX5_ACTION_DEL:
|
|
vport_addr_del(esw, addr);
|
|
l2addr_hash_del(addr);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Sync vport UC/MC list from vport context */
|
|
static void esw_update_vport_addr_list(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport, int list_type)
|
|
{
|
|
bool is_uc = list_type == MLX5_NVPRT_LIST_TYPE_UC;
|
|
u8 (*mac_list)[ETH_ALEN];
|
|
struct l2addr_node *node;
|
|
struct vport_addr *addr;
|
|
struct hlist_head *hash;
|
|
struct hlist_node *tmp;
|
|
int size;
|
|
int err;
|
|
int hi;
|
|
int i;
|
|
|
|
size = is_uc ? MLX5_MAX_UC_PER_VPORT(esw->dev) :
|
|
MLX5_MAX_MC_PER_VPORT(esw->dev);
|
|
|
|
mac_list = kcalloc(size, ETH_ALEN, GFP_KERNEL);
|
|
if (!mac_list)
|
|
return;
|
|
|
|
hash = is_uc ? vport->uc_list : vport->mc_list;
|
|
|
|
for_each_l2hash_node(node, tmp, hash, hi) {
|
|
addr = container_of(node, struct vport_addr, node);
|
|
addr->action = MLX5_ACTION_DEL;
|
|
}
|
|
|
|
if (!vport->enabled)
|
|
goto out;
|
|
|
|
err = mlx5_query_nic_vport_mac_list(esw->dev, vport->vport, list_type,
|
|
mac_list, &size);
|
|
if (err)
|
|
goto out;
|
|
esw_debug(esw->dev, "vport[%d] context update %s list size (%d)\n",
|
|
vport->vport, is_uc ? "UC" : "MC", size);
|
|
|
|
for (i = 0; i < size; i++) {
|
|
if (is_uc && !is_valid_ether_addr(mac_list[i]))
|
|
continue;
|
|
|
|
if (!is_uc && !is_multicast_ether_addr(mac_list[i]))
|
|
continue;
|
|
|
|
addr = l2addr_hash_find(hash, mac_list[i], struct vport_addr);
|
|
if (addr) {
|
|
addr->action = MLX5_ACTION_NONE;
|
|
/* If this mac was previously added because of allmulti
|
|
* promiscuous rx mode, its now converted to be original
|
|
* vport mac.
|
|
*/
|
|
if (addr->mc_promisc) {
|
|
struct esw_mc_addr *esw_mc =
|
|
l2addr_hash_find(esw->mc_table,
|
|
mac_list[i],
|
|
struct esw_mc_addr);
|
|
if (!esw_mc) {
|
|
esw_warn(esw->dev,
|
|
"Failed to MAC(%pM) in mcast DB\n",
|
|
mac_list[i]);
|
|
continue;
|
|
}
|
|
esw_mc->refcnt++;
|
|
addr->mc_promisc = false;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
addr = l2addr_hash_add(hash, mac_list[i], struct vport_addr,
|
|
GFP_KERNEL);
|
|
if (!addr) {
|
|
esw_warn(esw->dev,
|
|
"Failed to add MAC(%pM) to vport[%d] DB\n",
|
|
mac_list[i], vport->vport);
|
|
continue;
|
|
}
|
|
addr->vport = vport->vport;
|
|
addr->action = MLX5_ACTION_ADD;
|
|
}
|
|
out:
|
|
kfree(mac_list);
|
|
}
|
|
|
|
/* Sync vport UC/MC list from vport context
|
|
* Must be called after esw_update_vport_addr_list
|
|
*/
|
|
static void esw_update_vport_mc_promisc(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
struct l2addr_node *node;
|
|
struct vport_addr *addr;
|
|
struct hlist_head *hash;
|
|
struct hlist_node *tmp;
|
|
int hi;
|
|
|
|
hash = vport->mc_list;
|
|
|
|
for_each_l2hash_node(node, tmp, esw->mc_table, hi) {
|
|
u8 *mac = node->addr;
|
|
|
|
addr = l2addr_hash_find(hash, mac, struct vport_addr);
|
|
if (addr) {
|
|
if (addr->action == MLX5_ACTION_DEL)
|
|
addr->action = MLX5_ACTION_NONE;
|
|
continue;
|
|
}
|
|
addr = l2addr_hash_add(hash, mac, struct vport_addr,
|
|
GFP_KERNEL);
|
|
if (!addr) {
|
|
esw_warn(esw->dev,
|
|
"Failed to add allmulti MAC(%pM) to vport[%d] DB\n",
|
|
mac, vport->vport);
|
|
continue;
|
|
}
|
|
addr->vport = vport->vport;
|
|
addr->action = MLX5_ACTION_ADD;
|
|
addr->mc_promisc = true;
|
|
}
|
|
}
|
|
|
|
/* Apply vport rx mode to HW FDB table */
|
|
static void esw_apply_vport_rx_mode(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport,
|
|
bool promisc, bool mc_promisc)
|
|
{
|
|
struct esw_mc_addr *allmulti_addr = &esw->mc_promisc;
|
|
|
|
if (IS_ERR_OR_NULL(vport->allmulti_rule) != mc_promisc)
|
|
goto promisc;
|
|
|
|
if (mc_promisc) {
|
|
vport->allmulti_rule =
|
|
esw_fdb_set_vport_allmulti_rule(esw, vport->vport);
|
|
if (!allmulti_addr->uplink_rule)
|
|
allmulti_addr->uplink_rule =
|
|
esw_fdb_set_vport_allmulti_rule(esw,
|
|
MLX5_VPORT_UPLINK);
|
|
allmulti_addr->refcnt++;
|
|
} else if (vport->allmulti_rule) {
|
|
mlx5_del_flow_rules(vport->allmulti_rule);
|
|
vport->allmulti_rule = NULL;
|
|
|
|
if (--allmulti_addr->refcnt > 0)
|
|
goto promisc;
|
|
|
|
if (allmulti_addr->uplink_rule)
|
|
mlx5_del_flow_rules(allmulti_addr->uplink_rule);
|
|
allmulti_addr->uplink_rule = NULL;
|
|
}
|
|
|
|
promisc:
|
|
if (IS_ERR_OR_NULL(vport->promisc_rule) != promisc)
|
|
return;
|
|
|
|
if (promisc) {
|
|
vport->promisc_rule =
|
|
esw_fdb_set_vport_promisc_rule(esw, vport->vport);
|
|
} else if (vport->promisc_rule) {
|
|
mlx5_del_flow_rules(vport->promisc_rule);
|
|
vport->promisc_rule = NULL;
|
|
}
|
|
}
|
|
|
|
/* Sync vport rx mode from vport context */
|
|
static void esw_update_vport_rx_mode(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
int promisc_all = 0;
|
|
int promisc_uc = 0;
|
|
int promisc_mc = 0;
|
|
int err;
|
|
|
|
err = mlx5_query_nic_vport_promisc(esw->dev,
|
|
vport->vport,
|
|
&promisc_uc,
|
|
&promisc_mc,
|
|
&promisc_all);
|
|
if (err)
|
|
return;
|
|
esw_debug(esw->dev, "vport[%d] context update rx mode promisc_all=%d, all_multi=%d\n",
|
|
vport->vport, promisc_all, promisc_mc);
|
|
|
|
if (!vport->info.trusted || !vport->enabled) {
|
|
promisc_uc = 0;
|
|
promisc_mc = 0;
|
|
promisc_all = 0;
|
|
}
|
|
|
|
esw_apply_vport_rx_mode(esw, vport, promisc_all,
|
|
(promisc_all || promisc_mc));
|
|
}
|
|
|
|
static void esw_vport_change_handle_locked(struct mlx5_vport *vport)
|
|
{
|
|
struct mlx5_core_dev *dev = vport->dev;
|
|
struct mlx5_eswitch *esw = dev->priv.eswitch;
|
|
u8 mac[ETH_ALEN];
|
|
|
|
mlx5_query_nic_vport_mac_address(dev, vport->vport, true, mac);
|
|
esw_debug(dev, "vport[%d] Context Changed: perm mac: %pM\n",
|
|
vport->vport, mac);
|
|
|
|
if (vport->enabled_events & MLX5_VPORT_UC_ADDR_CHANGE) {
|
|
esw_update_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_UC);
|
|
esw_apply_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_UC);
|
|
}
|
|
|
|
if (vport->enabled_events & MLX5_VPORT_MC_ADDR_CHANGE)
|
|
esw_update_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_MC);
|
|
|
|
if (vport->enabled_events & MLX5_VPORT_PROMISC_CHANGE) {
|
|
esw_update_vport_rx_mode(esw, vport);
|
|
if (!IS_ERR_OR_NULL(vport->allmulti_rule))
|
|
esw_update_vport_mc_promisc(esw, vport);
|
|
}
|
|
|
|
if (vport->enabled_events & (MLX5_VPORT_PROMISC_CHANGE | MLX5_VPORT_MC_ADDR_CHANGE))
|
|
esw_apply_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_MC);
|
|
|
|
esw_debug(esw->dev, "vport[%d] Context Changed: Done\n", vport->vport);
|
|
if (vport->enabled)
|
|
arm_vport_context_events_cmd(dev, vport->vport,
|
|
vport->enabled_events);
|
|
}
|
|
|
|
static void esw_vport_change_handler(struct work_struct *work)
|
|
{
|
|
struct mlx5_vport *vport =
|
|
container_of(work, struct mlx5_vport, vport_change_handler);
|
|
struct mlx5_eswitch *esw = vport->dev->priv.eswitch;
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
esw_vport_change_handle_locked(vport);
|
|
mutex_unlock(&esw->state_lock);
|
|
}
|
|
|
|
int esw_vport_enable_egress_acl(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
|
|
struct mlx5_flow_group *vlan_grp = NULL;
|
|
struct mlx5_flow_group *drop_grp = NULL;
|
|
struct mlx5_core_dev *dev = esw->dev;
|
|
struct mlx5_flow_namespace *root_ns;
|
|
struct mlx5_flow_table *acl;
|
|
void *match_criteria;
|
|
u32 *flow_group_in;
|
|
/* The egress acl table contains 2 rules:
|
|
* 1)Allow traffic with vlan_tag=vst_vlan_id
|
|
* 2)Drop all other traffic.
|
|
*/
|
|
int table_size = 2;
|
|
int err = 0;
|
|
|
|
if (!MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!IS_ERR_OR_NULL(vport->egress.acl))
|
|
return 0;
|
|
|
|
esw_debug(dev, "Create vport[%d] egress ACL log_max_size(%d)\n",
|
|
vport->vport, MLX5_CAP_ESW_EGRESS_ACL(dev, log_max_ft_size));
|
|
|
|
root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_EGRESS,
|
|
mlx5_eswitch_vport_num_to_index(esw, vport->vport));
|
|
if (!root_ns) {
|
|
esw_warn(dev, "Failed to get E-Switch egress flow namespace for vport (%d)\n", vport->vport);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
flow_group_in = kvzalloc(inlen, GFP_KERNEL);
|
|
if (!flow_group_in)
|
|
return -ENOMEM;
|
|
|
|
acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
|
|
if (IS_ERR(acl)) {
|
|
err = PTR_ERR(acl);
|
|
esw_warn(dev, "Failed to create E-Switch vport[%d] egress flow Table, err(%d)\n",
|
|
vport->vport, err);
|
|
goto out;
|
|
}
|
|
|
|
MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
|
|
match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
|
|
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
|
|
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.first_vid);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
|
|
|
|
vlan_grp = mlx5_create_flow_group(acl, flow_group_in);
|
|
if (IS_ERR(vlan_grp)) {
|
|
err = PTR_ERR(vlan_grp);
|
|
esw_warn(dev, "Failed to create E-Switch vport[%d] egress allowed vlans flow group, err(%d)\n",
|
|
vport->vport, err);
|
|
goto out;
|
|
}
|
|
|
|
memset(flow_group_in, 0, inlen);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
|
|
drop_grp = mlx5_create_flow_group(acl, flow_group_in);
|
|
if (IS_ERR(drop_grp)) {
|
|
err = PTR_ERR(drop_grp);
|
|
esw_warn(dev, "Failed to create E-Switch vport[%d] egress drop flow group, err(%d)\n",
|
|
vport->vport, err);
|
|
goto out;
|
|
}
|
|
|
|
vport->egress.acl = acl;
|
|
vport->egress.drop_grp = drop_grp;
|
|
vport->egress.allowed_vlans_grp = vlan_grp;
|
|
out:
|
|
kvfree(flow_group_in);
|
|
if (err && !IS_ERR_OR_NULL(vlan_grp))
|
|
mlx5_destroy_flow_group(vlan_grp);
|
|
if (err && !IS_ERR_OR_NULL(acl))
|
|
mlx5_destroy_flow_table(acl);
|
|
return err;
|
|
}
|
|
|
|
void esw_vport_cleanup_egress_rules(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
if (!IS_ERR_OR_NULL(vport->egress.allowed_vlan))
|
|
mlx5_del_flow_rules(vport->egress.allowed_vlan);
|
|
|
|
if (!IS_ERR_OR_NULL(vport->egress.drop_rule))
|
|
mlx5_del_flow_rules(vport->egress.drop_rule);
|
|
|
|
vport->egress.allowed_vlan = NULL;
|
|
vport->egress.drop_rule = NULL;
|
|
}
|
|
|
|
void esw_vport_disable_egress_acl(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
if (IS_ERR_OR_NULL(vport->egress.acl))
|
|
return;
|
|
|
|
esw_debug(esw->dev, "Destroy vport[%d] E-Switch egress ACL\n", vport->vport);
|
|
|
|
esw_vport_cleanup_egress_rules(esw, vport);
|
|
mlx5_destroy_flow_group(vport->egress.allowed_vlans_grp);
|
|
mlx5_destroy_flow_group(vport->egress.drop_grp);
|
|
mlx5_destroy_flow_table(vport->egress.acl);
|
|
vport->egress.allowed_vlans_grp = NULL;
|
|
vport->egress.drop_grp = NULL;
|
|
vport->egress.acl = NULL;
|
|
}
|
|
|
|
int esw_vport_enable_ingress_acl(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
|
|
struct mlx5_core_dev *dev = esw->dev;
|
|
struct mlx5_flow_namespace *root_ns;
|
|
struct mlx5_flow_table *acl;
|
|
struct mlx5_flow_group *g;
|
|
void *match_criteria;
|
|
u32 *flow_group_in;
|
|
/* The ingress acl table contains 4 groups
|
|
* (2 active rules at the same time -
|
|
* 1 allow rule from one of the first 3 groups.
|
|
* 1 drop rule from the last group):
|
|
* 1)Allow untagged traffic with smac=original mac.
|
|
* 2)Allow untagged traffic.
|
|
* 3)Allow traffic with smac=original mac.
|
|
* 4)Drop all other traffic.
|
|
*/
|
|
int table_size = 4;
|
|
int err = 0;
|
|
|
|
if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!IS_ERR_OR_NULL(vport->ingress.acl))
|
|
return 0;
|
|
|
|
esw_debug(dev, "Create vport[%d] ingress ACL log_max_size(%d)\n",
|
|
vport->vport, MLX5_CAP_ESW_INGRESS_ACL(dev, log_max_ft_size));
|
|
|
|
root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
|
|
mlx5_eswitch_vport_num_to_index(esw, vport->vport));
|
|
if (!root_ns) {
|
|
esw_warn(dev, "Failed to get E-Switch ingress flow namespace for vport (%d)\n", vport->vport);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
flow_group_in = kvzalloc(inlen, GFP_KERNEL);
|
|
if (!flow_group_in)
|
|
return -ENOMEM;
|
|
|
|
acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
|
|
if (IS_ERR(acl)) {
|
|
err = PTR_ERR(acl);
|
|
esw_warn(dev, "Failed to create E-Switch vport[%d] ingress flow Table, err(%d)\n",
|
|
vport->vport, err);
|
|
goto out;
|
|
}
|
|
vport->ingress.acl = acl;
|
|
|
|
match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
|
|
|
|
MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
|
|
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
|
|
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
|
|
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
|
|
|
|
g = mlx5_create_flow_group(acl, flow_group_in);
|
|
if (IS_ERR(g)) {
|
|
err = PTR_ERR(g);
|
|
esw_warn(dev, "Failed to create E-Switch vport[%d] ingress untagged spoofchk flow group, err(%d)\n",
|
|
vport->vport, err);
|
|
goto out;
|
|
}
|
|
vport->ingress.allow_untagged_spoofchk_grp = g;
|
|
|
|
memset(flow_group_in, 0, inlen);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
|
|
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
|
|
|
|
g = mlx5_create_flow_group(acl, flow_group_in);
|
|
if (IS_ERR(g)) {
|
|
err = PTR_ERR(g);
|
|
esw_warn(dev, "Failed to create E-Switch vport[%d] ingress untagged flow group, err(%d)\n",
|
|
vport->vport, err);
|
|
goto out;
|
|
}
|
|
vport->ingress.allow_untagged_only_grp = g;
|
|
|
|
memset(flow_group_in, 0, inlen);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
|
|
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
|
|
MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2);
|
|
|
|
g = mlx5_create_flow_group(acl, flow_group_in);
|
|
if (IS_ERR(g)) {
|
|
err = PTR_ERR(g);
|
|
esw_warn(dev, "Failed to create E-Switch vport[%d] ingress spoofchk flow group, err(%d)\n",
|
|
vport->vport, err);
|
|
goto out;
|
|
}
|
|
vport->ingress.allow_spoofchk_only_grp = g;
|
|
|
|
memset(flow_group_in, 0, inlen);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3);
|
|
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3);
|
|
|
|
g = mlx5_create_flow_group(acl, flow_group_in);
|
|
if (IS_ERR(g)) {
|
|
err = PTR_ERR(g);
|
|
esw_warn(dev, "Failed to create E-Switch vport[%d] ingress drop flow group, err(%d)\n",
|
|
vport->vport, err);
|
|
goto out;
|
|
}
|
|
vport->ingress.drop_grp = g;
|
|
|
|
out:
|
|
if (err) {
|
|
if (!IS_ERR_OR_NULL(vport->ingress.allow_spoofchk_only_grp))
|
|
mlx5_destroy_flow_group(
|
|
vport->ingress.allow_spoofchk_only_grp);
|
|
if (!IS_ERR_OR_NULL(vport->ingress.allow_untagged_only_grp))
|
|
mlx5_destroy_flow_group(
|
|
vport->ingress.allow_untagged_only_grp);
|
|
if (!IS_ERR_OR_NULL(vport->ingress.allow_untagged_spoofchk_grp))
|
|
mlx5_destroy_flow_group(
|
|
vport->ingress.allow_untagged_spoofchk_grp);
|
|
if (!IS_ERR_OR_NULL(vport->ingress.acl))
|
|
mlx5_destroy_flow_table(vport->ingress.acl);
|
|
}
|
|
|
|
kvfree(flow_group_in);
|
|
return err;
|
|
}
|
|
|
|
void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
if (!IS_ERR_OR_NULL(vport->ingress.drop_rule))
|
|
mlx5_del_flow_rules(vport->ingress.drop_rule);
|
|
|
|
if (!IS_ERR_OR_NULL(vport->ingress.allow_rule))
|
|
mlx5_del_flow_rules(vport->ingress.allow_rule);
|
|
|
|
vport->ingress.drop_rule = NULL;
|
|
vport->ingress.allow_rule = NULL;
|
|
|
|
esw_vport_del_ingress_acl_modify_metadata(esw, vport);
|
|
}
|
|
|
|
void esw_vport_disable_ingress_acl(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
if (IS_ERR_OR_NULL(vport->ingress.acl))
|
|
return;
|
|
|
|
esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport);
|
|
|
|
esw_vport_cleanup_ingress_rules(esw, vport);
|
|
mlx5_destroy_flow_group(vport->ingress.allow_spoofchk_only_grp);
|
|
mlx5_destroy_flow_group(vport->ingress.allow_untagged_only_grp);
|
|
mlx5_destroy_flow_group(vport->ingress.allow_untagged_spoofchk_grp);
|
|
mlx5_destroy_flow_group(vport->ingress.drop_grp);
|
|
mlx5_destroy_flow_table(vport->ingress.acl);
|
|
vport->ingress.acl = NULL;
|
|
vport->ingress.drop_grp = NULL;
|
|
vport->ingress.allow_spoofchk_only_grp = NULL;
|
|
vport->ingress.allow_untagged_only_grp = NULL;
|
|
vport->ingress.allow_untagged_spoofchk_grp = NULL;
|
|
}
|
|
|
|
static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
struct mlx5_fc *counter = vport->ingress.drop_counter;
|
|
struct mlx5_flow_destination drop_ctr_dst = {0};
|
|
struct mlx5_flow_destination *dst = NULL;
|
|
struct mlx5_flow_act flow_act = {0};
|
|
struct mlx5_flow_spec *spec;
|
|
int dest_num = 0;
|
|
int err = 0;
|
|
u8 *smac_v;
|
|
|
|
esw_vport_cleanup_ingress_rules(esw, vport);
|
|
|
|
if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) {
|
|
esw_vport_disable_ingress_acl(esw, vport);
|
|
return 0;
|
|
}
|
|
|
|
err = esw_vport_enable_ingress_acl(esw, vport);
|
|
if (err) {
|
|
mlx5_core_warn(esw->dev,
|
|
"failed to enable ingress acl (%d) on vport[%d]\n",
|
|
err, vport->vport);
|
|
return err;
|
|
}
|
|
|
|
esw_debug(esw->dev,
|
|
"vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
|
|
vport->vport, vport->info.vlan, vport->info.qos);
|
|
|
|
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
|
|
if (!spec) {
|
|
err = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
if (vport->info.vlan || vport->info.qos)
|
|
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
|
|
|
|
if (vport->info.spoofchk) {
|
|
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_47_16);
|
|
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_15_0);
|
|
smac_v = MLX5_ADDR_OF(fte_match_param,
|
|
spec->match_value,
|
|
outer_headers.smac_47_16);
|
|
ether_addr_copy(smac_v, vport->info.mac);
|
|
}
|
|
|
|
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
|
|
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
|
|
vport->ingress.allow_rule =
|
|
mlx5_add_flow_rules(vport->ingress.acl, spec,
|
|
&flow_act, NULL, 0);
|
|
if (IS_ERR(vport->ingress.allow_rule)) {
|
|
err = PTR_ERR(vport->ingress.allow_rule);
|
|
esw_warn(esw->dev,
|
|
"vport[%d] configure ingress allow rule, err(%d)\n",
|
|
vport->vport, err);
|
|
vport->ingress.allow_rule = NULL;
|
|
goto out;
|
|
}
|
|
|
|
memset(spec, 0, sizeof(*spec));
|
|
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
|
|
|
|
/* Attach drop flow counter */
|
|
if (counter) {
|
|
flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
|
|
drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
|
|
drop_ctr_dst.counter_id = mlx5_fc_id(counter);
|
|
dst = &drop_ctr_dst;
|
|
dest_num++;
|
|
}
|
|
vport->ingress.drop_rule =
|
|
mlx5_add_flow_rules(vport->ingress.acl, spec,
|
|
&flow_act, dst, dest_num);
|
|
if (IS_ERR(vport->ingress.drop_rule)) {
|
|
err = PTR_ERR(vport->ingress.drop_rule);
|
|
esw_warn(esw->dev,
|
|
"vport[%d] configure ingress drop rule, err(%d)\n",
|
|
vport->vport, err);
|
|
vport->ingress.drop_rule = NULL;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
if (err)
|
|
esw_vport_cleanup_ingress_rules(esw, vport);
|
|
kvfree(spec);
|
|
return err;
|
|
}
|
|
|
|
static int esw_vport_egress_config(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
struct mlx5_fc *counter = vport->egress.drop_counter;
|
|
struct mlx5_flow_destination drop_ctr_dst = {0};
|
|
struct mlx5_flow_destination *dst = NULL;
|
|
struct mlx5_flow_act flow_act = {0};
|
|
struct mlx5_flow_spec *spec;
|
|
int dest_num = 0;
|
|
int err = 0;
|
|
|
|
esw_vport_cleanup_egress_rules(esw, vport);
|
|
|
|
if (!vport->info.vlan && !vport->info.qos) {
|
|
esw_vport_disable_egress_acl(esw, vport);
|
|
return 0;
|
|
}
|
|
|
|
err = esw_vport_enable_egress_acl(esw, vport);
|
|
if (err) {
|
|
mlx5_core_warn(esw->dev,
|
|
"failed to enable egress acl (%d) on vport[%d]\n",
|
|
err, vport->vport);
|
|
return err;
|
|
}
|
|
|
|
esw_debug(esw->dev,
|
|
"vport[%d] configure egress rules, vlan(%d) qos(%d)\n",
|
|
vport->vport, vport->info.vlan, vport->info.qos);
|
|
|
|
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
|
|
if (!spec) {
|
|
err = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
/* Allowed vlan rule */
|
|
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
|
|
MLX5_SET_TO_ONES(fte_match_param, spec->match_value, outer_headers.cvlan_tag);
|
|
MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.first_vid);
|
|
MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid, vport->info.vlan);
|
|
|
|
spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
|
|
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
|
|
vport->egress.allowed_vlan =
|
|
mlx5_add_flow_rules(vport->egress.acl, spec,
|
|
&flow_act, NULL, 0);
|
|
if (IS_ERR(vport->egress.allowed_vlan)) {
|
|
err = PTR_ERR(vport->egress.allowed_vlan);
|
|
esw_warn(esw->dev,
|
|
"vport[%d] configure egress allowed vlan rule failed, err(%d)\n",
|
|
vport->vport, err);
|
|
vport->egress.allowed_vlan = NULL;
|
|
goto out;
|
|
}
|
|
|
|
/* Drop others rule (star rule) */
|
|
memset(spec, 0, sizeof(*spec));
|
|
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
|
|
|
|
/* Attach egress drop flow counter */
|
|
if (counter) {
|
|
flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
|
|
drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
|
|
drop_ctr_dst.counter_id = mlx5_fc_id(counter);
|
|
dst = &drop_ctr_dst;
|
|
dest_num++;
|
|
}
|
|
vport->egress.drop_rule =
|
|
mlx5_add_flow_rules(vport->egress.acl, spec,
|
|
&flow_act, dst, dest_num);
|
|
if (IS_ERR(vport->egress.drop_rule)) {
|
|
err = PTR_ERR(vport->egress.drop_rule);
|
|
esw_warn(esw->dev,
|
|
"vport[%d] configure egress drop rule failed, err(%d)\n",
|
|
vport->vport, err);
|
|
vport->egress.drop_rule = NULL;
|
|
}
|
|
out:
|
|
kvfree(spec);
|
|
return err;
|
|
}
|
|
|
|
static bool element_type_supported(struct mlx5_eswitch *esw, int type)
|
|
{
|
|
const struct mlx5_core_dev *dev = esw->dev;
|
|
|
|
switch (type) {
|
|
case SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR:
|
|
return MLX5_CAP_QOS(dev, esw_element_type) &
|
|
ELEMENT_TYPE_CAP_MASK_TASR;
|
|
case SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT:
|
|
return MLX5_CAP_QOS(dev, esw_element_type) &
|
|
ELEMENT_TYPE_CAP_MASK_VPORT;
|
|
case SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT_TC:
|
|
return MLX5_CAP_QOS(dev, esw_element_type) &
|
|
ELEMENT_TYPE_CAP_MASK_VPORT_TC;
|
|
case SCHEDULING_CONTEXT_ELEMENT_TYPE_PARA_VPORT_TC:
|
|
return MLX5_CAP_QOS(dev, esw_element_type) &
|
|
ELEMENT_TYPE_CAP_MASK_PARA_VPORT_TC;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* Vport QoS management */
|
|
static void esw_create_tsar(struct mlx5_eswitch *esw)
|
|
{
|
|
u32 tsar_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {0};
|
|
struct mlx5_core_dev *dev = esw->dev;
|
|
__be32 *attr;
|
|
int err;
|
|
|
|
if (!MLX5_CAP_GEN(dev, qos) || !MLX5_CAP_QOS(dev, esw_scheduling))
|
|
return;
|
|
|
|
if (!element_type_supported(esw, SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR))
|
|
return;
|
|
|
|
if (esw->qos.enabled)
|
|
return;
|
|
|
|
MLX5_SET(scheduling_context, tsar_ctx, element_type,
|
|
SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR);
|
|
|
|
attr = MLX5_ADDR_OF(scheduling_context, tsar_ctx, element_attributes);
|
|
*attr = cpu_to_be32(TSAR_ELEMENT_TSAR_TYPE_DWRR << 16);
|
|
|
|
err = mlx5_create_scheduling_element_cmd(dev,
|
|
SCHEDULING_HIERARCHY_E_SWITCH,
|
|
tsar_ctx,
|
|
&esw->qos.root_tsar_id);
|
|
if (err) {
|
|
esw_warn(esw->dev, "E-Switch create TSAR failed (%d)\n", err);
|
|
return;
|
|
}
|
|
|
|
esw->qos.enabled = true;
|
|
}
|
|
|
|
static void esw_destroy_tsar(struct mlx5_eswitch *esw)
|
|
{
|
|
int err;
|
|
|
|
if (!esw->qos.enabled)
|
|
return;
|
|
|
|
err = mlx5_destroy_scheduling_element_cmd(esw->dev,
|
|
SCHEDULING_HIERARCHY_E_SWITCH,
|
|
esw->qos.root_tsar_id);
|
|
if (err)
|
|
esw_warn(esw->dev, "E-Switch destroy TSAR failed (%d)\n", err);
|
|
|
|
esw->qos.enabled = false;
|
|
}
|
|
|
|
static int esw_vport_enable_qos(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport,
|
|
u32 initial_max_rate, u32 initial_bw_share)
|
|
{
|
|
u32 sched_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {0};
|
|
struct mlx5_core_dev *dev = esw->dev;
|
|
void *vport_elem;
|
|
int err = 0;
|
|
|
|
if (!esw->qos.enabled || !MLX5_CAP_GEN(dev, qos) ||
|
|
!MLX5_CAP_QOS(dev, esw_scheduling))
|
|
return 0;
|
|
|
|
if (vport->qos.enabled)
|
|
return -EEXIST;
|
|
|
|
MLX5_SET(scheduling_context, sched_ctx, element_type,
|
|
SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT);
|
|
vport_elem = MLX5_ADDR_OF(scheduling_context, sched_ctx,
|
|
element_attributes);
|
|
MLX5_SET(vport_element, vport_elem, vport_number, vport->vport);
|
|
MLX5_SET(scheduling_context, sched_ctx, parent_element_id,
|
|
esw->qos.root_tsar_id);
|
|
MLX5_SET(scheduling_context, sched_ctx, max_average_bw,
|
|
initial_max_rate);
|
|
MLX5_SET(scheduling_context, sched_ctx, bw_share, initial_bw_share);
|
|
|
|
err = mlx5_create_scheduling_element_cmd(dev,
|
|
SCHEDULING_HIERARCHY_E_SWITCH,
|
|
sched_ctx,
|
|
&vport->qos.esw_tsar_ix);
|
|
if (err) {
|
|
esw_warn(esw->dev, "E-Switch create TSAR vport element failed (vport=%d,err=%d)\n",
|
|
vport->vport, err);
|
|
return err;
|
|
}
|
|
|
|
vport->qos.enabled = true;
|
|
return 0;
|
|
}
|
|
|
|
static void esw_vport_disable_qos(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
int err;
|
|
|
|
if (!vport->qos.enabled)
|
|
return;
|
|
|
|
err = mlx5_destroy_scheduling_element_cmd(esw->dev,
|
|
SCHEDULING_HIERARCHY_E_SWITCH,
|
|
vport->qos.esw_tsar_ix);
|
|
if (err)
|
|
esw_warn(esw->dev, "E-Switch destroy TSAR vport element failed (vport=%d,err=%d)\n",
|
|
vport->vport, err);
|
|
|
|
vport->qos.enabled = false;
|
|
}
|
|
|
|
static int esw_vport_qos_config(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport,
|
|
u32 max_rate, u32 bw_share)
|
|
{
|
|
u32 sched_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {0};
|
|
struct mlx5_core_dev *dev = esw->dev;
|
|
void *vport_elem;
|
|
u32 bitmask = 0;
|
|
int err = 0;
|
|
|
|
if (!MLX5_CAP_GEN(dev, qos) || !MLX5_CAP_QOS(dev, esw_scheduling))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!vport->qos.enabled)
|
|
return -EIO;
|
|
|
|
MLX5_SET(scheduling_context, sched_ctx, element_type,
|
|
SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT);
|
|
vport_elem = MLX5_ADDR_OF(scheduling_context, sched_ctx,
|
|
element_attributes);
|
|
MLX5_SET(vport_element, vport_elem, vport_number, vport->vport);
|
|
MLX5_SET(scheduling_context, sched_ctx, parent_element_id,
|
|
esw->qos.root_tsar_id);
|
|
MLX5_SET(scheduling_context, sched_ctx, max_average_bw,
|
|
max_rate);
|
|
MLX5_SET(scheduling_context, sched_ctx, bw_share, bw_share);
|
|
bitmask |= MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_MAX_AVERAGE_BW;
|
|
bitmask |= MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_BW_SHARE;
|
|
|
|
err = mlx5_modify_scheduling_element_cmd(dev,
|
|
SCHEDULING_HIERARCHY_E_SWITCH,
|
|
sched_ctx,
|
|
vport->qos.esw_tsar_ix,
|
|
bitmask);
|
|
if (err) {
|
|
esw_warn(esw->dev, "E-Switch modify TSAR vport element failed (vport=%d,err=%d)\n",
|
|
vport->vport, err);
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num,
|
|
u32 rate_mbps)
|
|
{
|
|
u32 ctx[MLX5_ST_SZ_DW(scheduling_context)] = {};
|
|
struct mlx5_vport *vport;
|
|
|
|
vport = mlx5_eswitch_get_vport(esw, vport_num);
|
|
MLX5_SET(scheduling_context, ctx, max_average_bw, rate_mbps);
|
|
|
|
return mlx5_modify_scheduling_element_cmd(esw->dev,
|
|
SCHEDULING_HIERARCHY_E_SWITCH,
|
|
ctx,
|
|
vport->qos.esw_tsar_ix,
|
|
MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_MAX_AVERAGE_BW);
|
|
}
|
|
|
|
static void node_guid_gen_from_mac(u64 *node_guid, u8 mac[ETH_ALEN])
|
|
{
|
|
((u8 *)node_guid)[7] = mac[0];
|
|
((u8 *)node_guid)[6] = mac[1];
|
|
((u8 *)node_guid)[5] = mac[2];
|
|
((u8 *)node_guid)[4] = 0xff;
|
|
((u8 *)node_guid)[3] = 0xfe;
|
|
((u8 *)node_guid)[2] = mac[3];
|
|
((u8 *)node_guid)[1] = mac[4];
|
|
((u8 *)node_guid)[0] = mac[5];
|
|
}
|
|
|
|
static void esw_apply_vport_conf(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
u16 vport_num = vport->vport;
|
|
int flags;
|
|
|
|
if (esw->manager_vport == vport_num)
|
|
return;
|
|
|
|
mlx5_modify_vport_admin_state(esw->dev,
|
|
MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
|
|
vport_num, 1,
|
|
vport->info.link_state);
|
|
|
|
/* Host PF has its own mac/guid. */
|
|
if (vport_num) {
|
|
mlx5_modify_nic_vport_mac_address(esw->dev, vport_num,
|
|
vport->info.mac);
|
|
mlx5_modify_nic_vport_node_guid(esw->dev, vport_num,
|
|
vport->info.node_guid);
|
|
}
|
|
|
|
flags = (vport->info.vlan || vport->info.qos) ?
|
|
SET_VLAN_STRIP | SET_VLAN_INSERT : 0;
|
|
modify_esw_vport_cvlan(esw->dev, vport_num, vport->info.vlan, vport->info.qos,
|
|
flags);
|
|
|
|
/* Only legacy mode needs ACLs */
|
|
if (esw->mode == MLX5_ESWITCH_LEGACY) {
|
|
esw_vport_ingress_config(esw, vport);
|
|
esw_vport_egress_config(esw, vport);
|
|
}
|
|
}
|
|
|
|
static void esw_vport_create_drop_counters(struct mlx5_vport *vport)
|
|
{
|
|
struct mlx5_core_dev *dev = vport->dev;
|
|
|
|
if (MLX5_CAP_ESW_INGRESS_ACL(dev, flow_counter)) {
|
|
vport->ingress.drop_counter = mlx5_fc_create(dev, false);
|
|
if (IS_ERR(vport->ingress.drop_counter)) {
|
|
esw_warn(dev,
|
|
"vport[%d] configure ingress drop rule counter failed\n",
|
|
vport->vport);
|
|
vport->ingress.drop_counter = NULL;
|
|
}
|
|
}
|
|
|
|
if (MLX5_CAP_ESW_EGRESS_ACL(dev, flow_counter)) {
|
|
vport->egress.drop_counter = mlx5_fc_create(dev, false);
|
|
if (IS_ERR(vport->egress.drop_counter)) {
|
|
esw_warn(dev,
|
|
"vport[%d] configure egress drop rule counter failed\n",
|
|
vport->vport);
|
|
vport->egress.drop_counter = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void esw_vport_destroy_drop_counters(struct mlx5_vport *vport)
|
|
{
|
|
struct mlx5_core_dev *dev = vport->dev;
|
|
|
|
if (vport->ingress.drop_counter)
|
|
mlx5_fc_destroy(dev, vport->ingress.drop_counter);
|
|
if (vport->egress.drop_counter)
|
|
mlx5_fc_destroy(dev, vport->egress.drop_counter);
|
|
}
|
|
|
|
static void esw_enable_vport(struct mlx5_eswitch *esw, struct mlx5_vport *vport,
|
|
enum mlx5_eswitch_vport_event enabled_events)
|
|
{
|
|
u16 vport_num = vport->vport;
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
WARN_ON(vport->enabled);
|
|
|
|
esw_debug(esw->dev, "Enabling VPORT(%d)\n", vport_num);
|
|
|
|
/* Create steering drop counters for ingress and egress ACLs */
|
|
if (vport_num && esw->mode == MLX5_ESWITCH_LEGACY)
|
|
esw_vport_create_drop_counters(vport);
|
|
|
|
/* Restore old vport configuration */
|
|
esw_apply_vport_conf(esw, vport);
|
|
|
|
/* Attach vport to the eswitch rate limiter */
|
|
if (esw_vport_enable_qos(esw, vport, vport->info.max_rate,
|
|
vport->qos.bw_share))
|
|
esw_warn(esw->dev, "Failed to attach vport %d to eswitch rate limiter", vport_num);
|
|
|
|
/* Sync with current vport context */
|
|
vport->enabled_events = enabled_events;
|
|
vport->enabled = true;
|
|
|
|
/* Esw manager is trusted by default. Host PF (vport 0) is trusted as well
|
|
* in smartNIC as it's a vport group manager.
|
|
*/
|
|
if (esw->manager_vport == vport_num ||
|
|
(!vport_num && mlx5_core_is_ecpf(esw->dev)))
|
|
vport->info.trusted = true;
|
|
|
|
esw_vport_change_handle_locked(vport);
|
|
|
|
esw->enabled_vports++;
|
|
esw_debug(esw->dev, "Enabled VPORT(%d)\n", vport_num);
|
|
mutex_unlock(&esw->state_lock);
|
|
}
|
|
|
|
static void esw_disable_vport(struct mlx5_eswitch *esw,
|
|
struct mlx5_vport *vport)
|
|
{
|
|
u16 vport_num = vport->vport;
|
|
|
|
if (!vport->enabled)
|
|
return;
|
|
|
|
esw_debug(esw->dev, "Disabling vport(%d)\n", vport_num);
|
|
/* Mark this vport as disabled to discard new events */
|
|
vport->enabled = false;
|
|
|
|
/* Wait for current already scheduled events to complete */
|
|
flush_workqueue(esw->work_queue);
|
|
/* Disable events from this vport */
|
|
arm_vport_context_events_cmd(esw->dev, vport->vport, 0);
|
|
mutex_lock(&esw->state_lock);
|
|
/* We don't assume VFs will cleanup after themselves.
|
|
* Calling vport change handler while vport is disabled will cleanup
|
|
* the vport resources.
|
|
*/
|
|
esw_vport_change_handle_locked(vport);
|
|
vport->enabled_events = 0;
|
|
esw_vport_disable_qos(esw, vport);
|
|
if (esw->manager_vport != vport_num &&
|
|
esw->mode == MLX5_ESWITCH_LEGACY) {
|
|
mlx5_modify_vport_admin_state(esw->dev,
|
|
MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
|
|
vport_num, 1,
|
|
MLX5_VPORT_ADMIN_STATE_DOWN);
|
|
esw_vport_disable_egress_acl(esw, vport);
|
|
esw_vport_disable_ingress_acl(esw, vport);
|
|
esw_vport_destroy_drop_counters(vport);
|
|
}
|
|
esw->enabled_vports--;
|
|
mutex_unlock(&esw->state_lock);
|
|
}
|
|
|
|
static int eswitch_vport_event(struct notifier_block *nb,
|
|
unsigned long type, void *data)
|
|
{
|
|
struct mlx5_eswitch *esw = mlx5_nb_cof(nb, struct mlx5_eswitch, nb);
|
|
struct mlx5_eqe *eqe = data;
|
|
struct mlx5_vport *vport;
|
|
u16 vport_num;
|
|
|
|
vport_num = be16_to_cpu(eqe->data.vport_change.vport_num);
|
|
vport = mlx5_eswitch_get_vport(esw, vport_num);
|
|
if (IS_ERR(vport))
|
|
return NOTIFY_OK;
|
|
|
|
if (vport->enabled)
|
|
queue_work(esw->work_queue, &vport->vport_change_handler);
|
|
|
|
return NOTIFY_OK;
|
|
}
|
|
|
|
/**
|
|
* mlx5_esw_query_functions - Returns raw output about functions state
|
|
* @dev: Pointer to device to query
|
|
*
|
|
* mlx5_esw_query_functions() allocates and returns functions changed
|
|
* raw output memory pointer from device on success. Otherwise returns ERR_PTR.
|
|
* Caller must free the memory using kvfree() when valid pointer is returned.
|
|
*/
|
|
const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev)
|
|
{
|
|
int outlen = MLX5_ST_SZ_BYTES(query_esw_functions_out);
|
|
u32 in[MLX5_ST_SZ_DW(query_esw_functions_in)] = {};
|
|
u32 *out;
|
|
int err;
|
|
|
|
out = kvzalloc(outlen, GFP_KERNEL);
|
|
if (!out)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
MLX5_SET(query_esw_functions_in, in, opcode,
|
|
MLX5_CMD_OP_QUERY_ESW_FUNCTIONS);
|
|
|
|
err = mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
|
|
if (!err)
|
|
return out;
|
|
|
|
kvfree(out);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
static void mlx5_eswitch_event_handlers_register(struct mlx5_eswitch *esw)
|
|
{
|
|
MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE);
|
|
mlx5_eq_notifier_register(esw->dev, &esw->nb);
|
|
|
|
if (esw->mode == MLX5_ESWITCH_OFFLOADS && mlx5_eswitch_is_funcs_handler(esw->dev)) {
|
|
MLX5_NB_INIT(&esw->esw_funcs.nb, mlx5_esw_funcs_changed_handler,
|
|
ESW_FUNCTIONS_CHANGED);
|
|
mlx5_eq_notifier_register(esw->dev, &esw->esw_funcs.nb);
|
|
}
|
|
}
|
|
|
|
static void mlx5_eswitch_event_handlers_unregister(struct mlx5_eswitch *esw)
|
|
{
|
|
if (esw->mode == MLX5_ESWITCH_OFFLOADS && mlx5_eswitch_is_funcs_handler(esw->dev))
|
|
mlx5_eq_notifier_unregister(esw->dev, &esw->esw_funcs.nb);
|
|
|
|
mlx5_eq_notifier_unregister(esw->dev, &esw->nb);
|
|
|
|
flush_workqueue(esw->work_queue);
|
|
}
|
|
|
|
/* Public E-Switch API */
|
|
#define ESW_ALLOWED(esw) ((esw) && MLX5_ESWITCH_MANAGER((esw)->dev))
|
|
|
|
/* mlx5_eswitch_enable_pf_vf_vports() enables vports of PF, ECPF and VFs
|
|
* whichever are present on the eswitch.
|
|
*/
|
|
void
|
|
mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw,
|
|
enum mlx5_eswitch_vport_event enabled_events)
|
|
{
|
|
struct mlx5_vport *vport;
|
|
int i;
|
|
|
|
/* Enable PF vport */
|
|
vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_PF);
|
|
esw_enable_vport(esw, vport, enabled_events);
|
|
|
|
/* Enable ECPF vports */
|
|
if (mlx5_ecpf_vport_exists(esw->dev)) {
|
|
vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_ECPF);
|
|
esw_enable_vport(esw, vport, enabled_events);
|
|
}
|
|
|
|
/* Enable VF vports */
|
|
mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs)
|
|
esw_enable_vport(esw, vport, enabled_events);
|
|
}
|
|
|
|
/* mlx5_eswitch_disable_pf_vf_vports() disables vports of PF, ECPF and VFs
|
|
* whichever are previously enabled on the eswitch.
|
|
*/
|
|
void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw)
|
|
{
|
|
struct mlx5_vport *vport;
|
|
int i;
|
|
|
|
mlx5_esw_for_all_vports_reverse(esw, i, vport)
|
|
esw_disable_vport(esw, vport);
|
|
}
|
|
|
|
int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode)
|
|
{
|
|
int err;
|
|
|
|
if (!ESW_ALLOWED(esw) ||
|
|
!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ft_support)) {
|
|
esw_warn(esw->dev, "FDB is not supported, aborting ...\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (!MLX5_CAP_ESW_INGRESS_ACL(esw->dev, ft_support))
|
|
esw_warn(esw->dev, "ingress ACL is not supported by FW\n");
|
|
|
|
if (!MLX5_CAP_ESW_EGRESS_ACL(esw->dev, ft_support))
|
|
esw_warn(esw->dev, "engress ACL is not supported by FW\n");
|
|
|
|
esw_create_tsar(esw);
|
|
|
|
esw->mode = mode;
|
|
|
|
mlx5_lag_update(esw->dev);
|
|
|
|
if (mode == MLX5_ESWITCH_LEGACY) {
|
|
err = esw_legacy_enable(esw);
|
|
} else {
|
|
mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_ETH);
|
|
mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
|
|
err = esw_offloads_enable(esw);
|
|
}
|
|
|
|
if (err)
|
|
goto abort;
|
|
|
|
mlx5_eswitch_event_handlers_register(esw);
|
|
|
|
esw_info(esw->dev, "Enable: mode(%s), nvfs(%d), active vports(%d)\n",
|
|
mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS",
|
|
esw->esw_funcs.num_vfs, esw->enabled_vports);
|
|
|
|
return 0;
|
|
|
|
abort:
|
|
esw->mode = MLX5_ESWITCH_NONE;
|
|
|
|
if (mode == MLX5_ESWITCH_OFFLOADS) {
|
|
mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
|
|
mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_ETH);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
void mlx5_eswitch_disable(struct mlx5_eswitch *esw)
|
|
{
|
|
int old_mode;
|
|
|
|
if (!ESW_ALLOWED(esw) || esw->mode == MLX5_ESWITCH_NONE)
|
|
return;
|
|
|
|
esw_info(esw->dev, "Disable: mode(%s), nvfs(%d), active vports(%d)\n",
|
|
esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS",
|
|
esw->esw_funcs.num_vfs, esw->enabled_vports);
|
|
|
|
mlx5_eswitch_event_handlers_unregister(esw);
|
|
|
|
if (esw->mode == MLX5_ESWITCH_LEGACY)
|
|
esw_legacy_disable(esw);
|
|
else if (esw->mode == MLX5_ESWITCH_OFFLOADS)
|
|
esw_offloads_disable(esw);
|
|
|
|
esw_destroy_tsar(esw);
|
|
|
|
old_mode = esw->mode;
|
|
esw->mode = MLX5_ESWITCH_NONE;
|
|
|
|
mlx5_lag_update(esw->dev);
|
|
|
|
if (old_mode == MLX5_ESWITCH_OFFLOADS) {
|
|
mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_IB);
|
|
mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_ETH);
|
|
}
|
|
}
|
|
|
|
int mlx5_eswitch_init(struct mlx5_core_dev *dev)
|
|
{
|
|
struct mlx5_eswitch *esw;
|
|
struct mlx5_vport *vport;
|
|
int total_vports;
|
|
int err, i;
|
|
|
|
if (!MLX5_VPORT_MANAGER(dev))
|
|
return 0;
|
|
|
|
total_vports = mlx5_eswitch_get_total_vports(dev);
|
|
|
|
esw_info(dev,
|
|
"Total vports %d, per vport: max uc(%d) max mc(%d)\n",
|
|
total_vports,
|
|
MLX5_MAX_UC_PER_VPORT(dev),
|
|
MLX5_MAX_MC_PER_VPORT(dev));
|
|
|
|
esw = kzalloc(sizeof(*esw), GFP_KERNEL);
|
|
if (!esw)
|
|
return -ENOMEM;
|
|
|
|
esw->dev = dev;
|
|
esw->manager_vport = mlx5_eswitch_manager_vport(dev);
|
|
esw->first_host_vport = mlx5_eswitch_first_host_vport_num(dev);
|
|
|
|
esw->work_queue = create_singlethread_workqueue("mlx5_esw_wq");
|
|
if (!esw->work_queue) {
|
|
err = -ENOMEM;
|
|
goto abort;
|
|
}
|
|
|
|
esw->vports = kcalloc(total_vports, sizeof(struct mlx5_vport),
|
|
GFP_KERNEL);
|
|
if (!esw->vports) {
|
|
err = -ENOMEM;
|
|
goto abort;
|
|
}
|
|
|
|
esw->total_vports = total_vports;
|
|
|
|
err = esw_offloads_init_reps(esw);
|
|
if (err)
|
|
goto abort;
|
|
|
|
mutex_init(&esw->offloads.encap_tbl_lock);
|
|
hash_init(esw->offloads.encap_tbl);
|
|
mutex_init(&esw->offloads.mod_hdr.lock);
|
|
hash_init(esw->offloads.mod_hdr.hlist);
|
|
atomic64_set(&esw->offloads.num_flows, 0);
|
|
mutex_init(&esw->state_lock);
|
|
|
|
mlx5_esw_for_all_vports(esw, i, vport) {
|
|
vport->vport = mlx5_eswitch_index_to_vport_num(esw, i);
|
|
vport->info.link_state = MLX5_VPORT_ADMIN_STATE_AUTO;
|
|
vport->dev = dev;
|
|
INIT_WORK(&vport->vport_change_handler,
|
|
esw_vport_change_handler);
|
|
}
|
|
|
|
esw->enabled_vports = 0;
|
|
esw->mode = MLX5_ESWITCH_NONE;
|
|
esw->offloads.inline_mode = MLX5_INLINE_MODE_NONE;
|
|
|
|
dev->priv.eswitch = esw;
|
|
return 0;
|
|
abort:
|
|
if (esw->work_queue)
|
|
destroy_workqueue(esw->work_queue);
|
|
esw_offloads_cleanup_reps(esw);
|
|
kfree(esw->vports);
|
|
kfree(esw);
|
|
return err;
|
|
}
|
|
|
|
void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
|
|
{
|
|
if (!esw || !MLX5_VPORT_MANAGER(esw->dev))
|
|
return;
|
|
|
|
esw_info(esw->dev, "cleanup\n");
|
|
|
|
esw->dev->priv.eswitch = NULL;
|
|
destroy_workqueue(esw->work_queue);
|
|
esw_offloads_cleanup_reps(esw);
|
|
mutex_destroy(&esw->offloads.mod_hdr.lock);
|
|
mutex_destroy(&esw->offloads.encap_tbl_lock);
|
|
kfree(esw->vports);
|
|
kfree(esw);
|
|
}
|
|
|
|
/* Vport Administration */
|
|
int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
|
|
u16 vport, u8 mac[ETH_ALEN])
|
|
{
|
|
struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
|
|
u64 node_guid;
|
|
int err = 0;
|
|
|
|
if (IS_ERR(evport))
|
|
return PTR_ERR(evport);
|
|
if (is_multicast_ether_addr(mac))
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
|
|
if (evport->info.spoofchk && !is_valid_ether_addr(mac))
|
|
mlx5_core_warn(esw->dev,
|
|
"Set invalid MAC while spoofchk is on, vport(%d)\n",
|
|
vport);
|
|
|
|
err = mlx5_modify_nic_vport_mac_address(esw->dev, vport, mac);
|
|
if (err) {
|
|
mlx5_core_warn(esw->dev,
|
|
"Failed to mlx5_modify_nic_vport_mac vport(%d) err=(%d)\n",
|
|
vport, err);
|
|
goto unlock;
|
|
}
|
|
|
|
node_guid_gen_from_mac(&node_guid, mac);
|
|
err = mlx5_modify_nic_vport_node_guid(esw->dev, vport, node_guid);
|
|
if (err)
|
|
mlx5_core_warn(esw->dev,
|
|
"Failed to set vport %d node guid, err = %d. RDMA_CM will not function properly for this VF.\n",
|
|
vport, err);
|
|
|
|
ether_addr_copy(evport->info.mac, mac);
|
|
evport->info.node_guid = node_guid;
|
|
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY)
|
|
err = esw_vport_ingress_config(esw, evport);
|
|
|
|
unlock:
|
|
mutex_unlock(&esw->state_lock);
|
|
return err;
|
|
}
|
|
|
|
int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
|
|
u16 vport, int link_state)
|
|
{
|
|
struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
|
|
int err = 0;
|
|
|
|
if (!ESW_ALLOWED(esw))
|
|
return -EPERM;
|
|
if (IS_ERR(evport))
|
|
return PTR_ERR(evport);
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
|
|
err = mlx5_modify_vport_admin_state(esw->dev,
|
|
MLX5_VPORT_STATE_OP_MOD_ESW_VPORT,
|
|
vport, 1, link_state);
|
|
if (err) {
|
|
mlx5_core_warn(esw->dev,
|
|
"Failed to set vport %d link state, err = %d",
|
|
vport, err);
|
|
goto unlock;
|
|
}
|
|
|
|
evport->info.link_state = link_state;
|
|
|
|
unlock:
|
|
mutex_unlock(&esw->state_lock);
|
|
return err;
|
|
}
|
|
|
|
int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
|
|
u16 vport, struct ifla_vf_info *ivi)
|
|
{
|
|
struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
|
|
|
|
if (IS_ERR(evport))
|
|
return PTR_ERR(evport);
|
|
|
|
memset(ivi, 0, sizeof(*ivi));
|
|
ivi->vf = vport - 1;
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
ether_addr_copy(ivi->mac, evport->info.mac);
|
|
ivi->linkstate = evport->info.link_state;
|
|
ivi->vlan = evport->info.vlan;
|
|
ivi->qos = evport->info.qos;
|
|
ivi->spoofchk = evport->info.spoofchk;
|
|
ivi->trusted = evport->info.trusted;
|
|
ivi->min_tx_rate = evport->info.min_rate;
|
|
ivi->max_tx_rate = evport->info.max_rate;
|
|
mutex_unlock(&esw->state_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
|
|
u16 vport, u16 vlan, u8 qos, u8 set_flags)
|
|
{
|
|
struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
|
|
int err = 0;
|
|
|
|
if (!ESW_ALLOWED(esw))
|
|
return -EPERM;
|
|
if (IS_ERR(evport))
|
|
return PTR_ERR(evport);
|
|
if (vlan > 4095 || qos > 7)
|
|
return -EINVAL;
|
|
|
|
err = modify_esw_vport_cvlan(esw->dev, vport, vlan, qos, set_flags);
|
|
if (err)
|
|
return err;
|
|
|
|
evport->info.vlan = vlan;
|
|
evport->info.qos = qos;
|
|
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY) {
|
|
err = esw_vport_ingress_config(esw, evport);
|
|
if (err)
|
|
return err;
|
|
err = esw_vport_egress_config(esw, evport);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
|
|
u16 vport, u16 vlan, u8 qos)
|
|
{
|
|
u8 set_flags = 0;
|
|
int err;
|
|
|
|
if (vlan || qos)
|
|
set_flags = SET_VLAN_STRIP | SET_VLAN_INSERT;
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
err = __mlx5_eswitch_set_vport_vlan(esw, vport, vlan, qos, set_flags);
|
|
mutex_unlock(&esw->state_lock);
|
|
|
|
return err;
|
|
}
|
|
|
|
int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
|
|
u16 vport, bool spoofchk)
|
|
{
|
|
struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
|
|
bool pschk;
|
|
int err = 0;
|
|
|
|
if (!ESW_ALLOWED(esw))
|
|
return -EPERM;
|
|
if (IS_ERR(evport))
|
|
return PTR_ERR(evport);
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
pschk = evport->info.spoofchk;
|
|
evport->info.spoofchk = spoofchk;
|
|
if (pschk && !is_valid_ether_addr(evport->info.mac))
|
|
mlx5_core_warn(esw->dev,
|
|
"Spoofchk in set while MAC is invalid, vport(%d)\n",
|
|
evport->vport);
|
|
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY)
|
|
err = esw_vport_ingress_config(esw, evport);
|
|
if (err)
|
|
evport->info.spoofchk = pschk;
|
|
mutex_unlock(&esw->state_lock);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void esw_cleanup_vepa_rules(struct mlx5_eswitch *esw)
|
|
{
|
|
if (esw->fdb_table.legacy.vepa_uplink_rule)
|
|
mlx5_del_flow_rules(esw->fdb_table.legacy.vepa_uplink_rule);
|
|
|
|
if (esw->fdb_table.legacy.vepa_star_rule)
|
|
mlx5_del_flow_rules(esw->fdb_table.legacy.vepa_star_rule);
|
|
|
|
esw->fdb_table.legacy.vepa_uplink_rule = NULL;
|
|
esw->fdb_table.legacy.vepa_star_rule = NULL;
|
|
}
|
|
|
|
static int _mlx5_eswitch_set_vepa_locked(struct mlx5_eswitch *esw,
|
|
u8 setting)
|
|
{
|
|
struct mlx5_flow_destination dest = {};
|
|
struct mlx5_flow_act flow_act = {};
|
|
struct mlx5_flow_handle *flow_rule;
|
|
struct mlx5_flow_spec *spec;
|
|
int err = 0;
|
|
void *misc;
|
|
|
|
if (!setting) {
|
|
esw_cleanup_vepa_rules(esw);
|
|
return 0;
|
|
}
|
|
|
|
if (esw->fdb_table.legacy.vepa_uplink_rule)
|
|
return 0;
|
|
|
|
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
|
|
if (!spec)
|
|
return -ENOMEM;
|
|
|
|
/* Uplink rule forward uplink traffic to FDB */
|
|
misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters);
|
|
MLX5_SET(fte_match_set_misc, misc, source_port, MLX5_VPORT_UPLINK);
|
|
|
|
misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters);
|
|
MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);
|
|
|
|
spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS;
|
|
dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
|
|
dest.ft = esw->fdb_table.legacy.fdb;
|
|
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
|
|
flow_rule = mlx5_add_flow_rules(esw->fdb_table.legacy.vepa_fdb, spec,
|
|
&flow_act, &dest, 1);
|
|
if (IS_ERR(flow_rule)) {
|
|
err = PTR_ERR(flow_rule);
|
|
goto out;
|
|
} else {
|
|
esw->fdb_table.legacy.vepa_uplink_rule = flow_rule;
|
|
}
|
|
|
|
/* Star rule to forward all traffic to uplink vport */
|
|
memset(spec, 0, sizeof(*spec));
|
|
memset(&dest, 0, sizeof(dest));
|
|
dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
|
|
dest.vport.num = MLX5_VPORT_UPLINK;
|
|
flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
|
|
flow_rule = mlx5_add_flow_rules(esw->fdb_table.legacy.vepa_fdb, spec,
|
|
&flow_act, &dest, 1);
|
|
if (IS_ERR(flow_rule)) {
|
|
err = PTR_ERR(flow_rule);
|
|
goto out;
|
|
} else {
|
|
esw->fdb_table.legacy.vepa_star_rule = flow_rule;
|
|
}
|
|
|
|
out:
|
|
kvfree(spec);
|
|
if (err)
|
|
esw_cleanup_vepa_rules(esw);
|
|
return err;
|
|
}
|
|
|
|
int mlx5_eswitch_set_vepa(struct mlx5_eswitch *esw, u8 setting)
|
|
{
|
|
int err = 0;
|
|
|
|
if (!esw)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!ESW_ALLOWED(esw))
|
|
return -EPERM;
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
if (esw->mode != MLX5_ESWITCH_LEGACY) {
|
|
err = -EOPNOTSUPP;
|
|
goto out;
|
|
}
|
|
|
|
err = _mlx5_eswitch_set_vepa_locked(esw, setting);
|
|
|
|
out:
|
|
mutex_unlock(&esw->state_lock);
|
|
return err;
|
|
}
|
|
|
|
int mlx5_eswitch_get_vepa(struct mlx5_eswitch *esw, u8 *setting)
|
|
{
|
|
int err = 0;
|
|
|
|
if (!esw)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!ESW_ALLOWED(esw))
|
|
return -EPERM;
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
if (esw->mode != MLX5_ESWITCH_LEGACY) {
|
|
err = -EOPNOTSUPP;
|
|
goto out;
|
|
}
|
|
|
|
*setting = esw->fdb_table.legacy.vepa_uplink_rule ? 1 : 0;
|
|
|
|
out:
|
|
mutex_unlock(&esw->state_lock);
|
|
return err;
|
|
}
|
|
|
|
int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
|
|
u16 vport, bool setting)
|
|
{
|
|
struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
|
|
|
|
if (!ESW_ALLOWED(esw))
|
|
return -EPERM;
|
|
if (IS_ERR(evport))
|
|
return PTR_ERR(evport);
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
evport->info.trusted = setting;
|
|
if (evport->enabled)
|
|
esw_vport_change_handle_locked(evport);
|
|
mutex_unlock(&esw->state_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 calculate_vports_min_rate_divider(struct mlx5_eswitch *esw)
|
|
{
|
|
u32 fw_max_bw_share = MLX5_CAP_QOS(esw->dev, max_tsar_bw_share);
|
|
struct mlx5_vport *evport;
|
|
u32 max_guarantee = 0;
|
|
int i;
|
|
|
|
mlx5_esw_for_all_vports(esw, i, evport) {
|
|
if (!evport->enabled || evport->info.min_rate < max_guarantee)
|
|
continue;
|
|
max_guarantee = evport->info.min_rate;
|
|
}
|
|
|
|
return max_t(u32, max_guarantee / fw_max_bw_share, 1);
|
|
}
|
|
|
|
static int normalize_vports_min_rate(struct mlx5_eswitch *esw, u32 divider)
|
|
{
|
|
u32 fw_max_bw_share = MLX5_CAP_QOS(esw->dev, max_tsar_bw_share);
|
|
struct mlx5_vport *evport;
|
|
u32 vport_max_rate;
|
|
u32 vport_min_rate;
|
|
u32 bw_share;
|
|
int err;
|
|
int i;
|
|
|
|
mlx5_esw_for_all_vports(esw, i, evport) {
|
|
if (!evport->enabled)
|
|
continue;
|
|
vport_min_rate = evport->info.min_rate;
|
|
vport_max_rate = evport->info.max_rate;
|
|
bw_share = MLX5_MIN_BW_SHARE;
|
|
|
|
if (vport_min_rate)
|
|
bw_share = MLX5_RATE_TO_BW_SHARE(vport_min_rate,
|
|
divider,
|
|
fw_max_bw_share);
|
|
|
|
if (bw_share == evport->qos.bw_share)
|
|
continue;
|
|
|
|
err = esw_vport_qos_config(esw, evport, vport_max_rate,
|
|
bw_share);
|
|
if (!err)
|
|
evport->qos.bw_share = bw_share;
|
|
else
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, u16 vport,
|
|
u32 max_rate, u32 min_rate)
|
|
{
|
|
struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
|
|
u32 fw_max_bw_share;
|
|
u32 previous_min_rate;
|
|
u32 divider;
|
|
bool min_rate_supported;
|
|
bool max_rate_supported;
|
|
int err = 0;
|
|
|
|
if (!ESW_ALLOWED(esw))
|
|
return -EPERM;
|
|
if (IS_ERR(evport))
|
|
return PTR_ERR(evport);
|
|
|
|
fw_max_bw_share = MLX5_CAP_QOS(esw->dev, max_tsar_bw_share);
|
|
min_rate_supported = MLX5_CAP_QOS(esw->dev, esw_bw_share) &&
|
|
fw_max_bw_share >= MLX5_MIN_BW_SHARE;
|
|
max_rate_supported = MLX5_CAP_QOS(esw->dev, esw_rate_limit);
|
|
|
|
if ((min_rate && !min_rate_supported) || (max_rate && !max_rate_supported))
|
|
return -EOPNOTSUPP;
|
|
|
|
mutex_lock(&esw->state_lock);
|
|
|
|
if (min_rate == evport->info.min_rate)
|
|
goto set_max_rate;
|
|
|
|
previous_min_rate = evport->info.min_rate;
|
|
evport->info.min_rate = min_rate;
|
|
divider = calculate_vports_min_rate_divider(esw);
|
|
err = normalize_vports_min_rate(esw, divider);
|
|
if (err) {
|
|
evport->info.min_rate = previous_min_rate;
|
|
goto unlock;
|
|
}
|
|
|
|
set_max_rate:
|
|
if (max_rate == evport->info.max_rate)
|
|
goto unlock;
|
|
|
|
err = esw_vport_qos_config(esw, evport, max_rate, evport->qos.bw_share);
|
|
if (!err)
|
|
evport->info.max_rate = max_rate;
|
|
|
|
unlock:
|
|
mutex_unlock(&esw->state_lock);
|
|
return err;
|
|
}
|
|
|
|
static int mlx5_eswitch_query_vport_drop_stats(struct mlx5_core_dev *dev,
|
|
struct mlx5_vport *vport,
|
|
struct mlx5_vport_drop_stats *stats)
|
|
{
|
|
struct mlx5_eswitch *esw = dev->priv.eswitch;
|
|
u64 rx_discard_vport_down, tx_discard_vport_down;
|
|
u64 bytes = 0;
|
|
int err = 0;
|
|
|
|
if (!vport->enabled || esw->mode != MLX5_ESWITCH_LEGACY)
|
|
return 0;
|
|
|
|
if (vport->egress.drop_counter)
|
|
mlx5_fc_query(dev, vport->egress.drop_counter,
|
|
&stats->rx_dropped, &bytes);
|
|
|
|
if (vport->ingress.drop_counter)
|
|
mlx5_fc_query(dev, vport->ingress.drop_counter,
|
|
&stats->tx_dropped, &bytes);
|
|
|
|
if (!MLX5_CAP_GEN(dev, receive_discard_vport_down) &&
|
|
!MLX5_CAP_GEN(dev, transmit_discard_vport_down))
|
|
return 0;
|
|
|
|
err = mlx5_query_vport_down_stats(dev, vport->vport, 1,
|
|
&rx_discard_vport_down,
|
|
&tx_discard_vport_down);
|
|
if (err)
|
|
return err;
|
|
|
|
if (MLX5_CAP_GEN(dev, receive_discard_vport_down))
|
|
stats->rx_dropped += rx_discard_vport_down;
|
|
if (MLX5_CAP_GEN(dev, transmit_discard_vport_down))
|
|
stats->tx_dropped += tx_discard_vport_down;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
|
|
u16 vport_num,
|
|
struct ifla_vf_stats *vf_stats)
|
|
{
|
|
struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num);
|
|
int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
|
|
u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {0};
|
|
struct mlx5_vport_drop_stats stats = {0};
|
|
int err = 0;
|
|
u32 *out;
|
|
|
|
if (IS_ERR(vport))
|
|
return PTR_ERR(vport);
|
|
|
|
out = kvzalloc(outlen, GFP_KERNEL);
|
|
if (!out)
|
|
return -ENOMEM;
|
|
|
|
MLX5_SET(query_vport_counter_in, in, opcode,
|
|
MLX5_CMD_OP_QUERY_VPORT_COUNTER);
|
|
MLX5_SET(query_vport_counter_in, in, op_mod, 0);
|
|
MLX5_SET(query_vport_counter_in, in, vport_number, vport->vport);
|
|
MLX5_SET(query_vport_counter_in, in, other_vport, 1);
|
|
|
|
err = mlx5_cmd_exec(esw->dev, in, sizeof(in), out, outlen);
|
|
if (err)
|
|
goto free_out;
|
|
|
|
#define MLX5_GET_CTR(p, x) \
|
|
MLX5_GET64(query_vport_counter_out, p, x)
|
|
|
|
memset(vf_stats, 0, sizeof(*vf_stats));
|
|
vf_stats->rx_packets =
|
|
MLX5_GET_CTR(out, received_eth_unicast.packets) +
|
|
MLX5_GET_CTR(out, received_ib_unicast.packets) +
|
|
MLX5_GET_CTR(out, received_eth_multicast.packets) +
|
|
MLX5_GET_CTR(out, received_ib_multicast.packets) +
|
|
MLX5_GET_CTR(out, received_eth_broadcast.packets);
|
|
|
|
vf_stats->rx_bytes =
|
|
MLX5_GET_CTR(out, received_eth_unicast.octets) +
|
|
MLX5_GET_CTR(out, received_ib_unicast.octets) +
|
|
MLX5_GET_CTR(out, received_eth_multicast.octets) +
|
|
MLX5_GET_CTR(out, received_ib_multicast.octets) +
|
|
MLX5_GET_CTR(out, received_eth_broadcast.octets);
|
|
|
|
vf_stats->tx_packets =
|
|
MLX5_GET_CTR(out, transmitted_eth_unicast.packets) +
|
|
MLX5_GET_CTR(out, transmitted_ib_unicast.packets) +
|
|
MLX5_GET_CTR(out, transmitted_eth_multicast.packets) +
|
|
MLX5_GET_CTR(out, transmitted_ib_multicast.packets) +
|
|
MLX5_GET_CTR(out, transmitted_eth_broadcast.packets);
|
|
|
|
vf_stats->tx_bytes =
|
|
MLX5_GET_CTR(out, transmitted_eth_unicast.octets) +
|
|
MLX5_GET_CTR(out, transmitted_ib_unicast.octets) +
|
|
MLX5_GET_CTR(out, transmitted_eth_multicast.octets) +
|
|
MLX5_GET_CTR(out, transmitted_ib_multicast.octets) +
|
|
MLX5_GET_CTR(out, transmitted_eth_broadcast.octets);
|
|
|
|
vf_stats->multicast =
|
|
MLX5_GET_CTR(out, received_eth_multicast.packets) +
|
|
MLX5_GET_CTR(out, received_ib_multicast.packets);
|
|
|
|
vf_stats->broadcast =
|
|
MLX5_GET_CTR(out, received_eth_broadcast.packets);
|
|
|
|
err = mlx5_eswitch_query_vport_drop_stats(esw->dev, vport, &stats);
|
|
if (err)
|
|
goto free_out;
|
|
vf_stats->rx_dropped = stats.rx_dropped;
|
|
vf_stats->tx_dropped = stats.tx_dropped;
|
|
|
|
free_out:
|
|
kvfree(out);
|
|
return err;
|
|
}
|
|
|
|
u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw)
|
|
{
|
|
return ESW_ALLOWED(esw) ? esw->mode : MLX5_ESWITCH_NONE;
|
|
}
|
|
EXPORT_SYMBOL_GPL(mlx5_eswitch_mode);
|
|
|
|
enum devlink_eswitch_encap_mode
|
|
mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev)
|
|
{
|
|
struct mlx5_eswitch *esw;
|
|
|
|
esw = dev->priv.eswitch;
|
|
return ESW_ALLOWED(esw) ? esw->offloads.encap :
|
|
DEVLINK_ESWITCH_ENCAP_MODE_NONE;
|
|
}
|
|
EXPORT_SYMBOL(mlx5_eswitch_get_encap_mode);
|
|
|
|
bool mlx5_esw_lag_prereq(struct mlx5_core_dev *dev0, struct mlx5_core_dev *dev1)
|
|
{
|
|
if ((dev0->priv.eswitch->mode == MLX5_ESWITCH_NONE &&
|
|
dev1->priv.eswitch->mode == MLX5_ESWITCH_NONE) ||
|
|
(dev0->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS &&
|
|
dev1->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool mlx5_esw_multipath_prereq(struct mlx5_core_dev *dev0,
|
|
struct mlx5_core_dev *dev1)
|
|
{
|
|
return (dev0->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS &&
|
|
dev1->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS);
|
|
}
|
|
|
|
void mlx5_eswitch_update_num_of_vfs(struct mlx5_eswitch *esw, const int num_vfs)
|
|
{
|
|
const u32 *out;
|
|
|
|
WARN_ON_ONCE(esw->mode != MLX5_ESWITCH_NONE);
|
|
|
|
if (!mlx5_core_is_ecpf_esw_manager(esw->dev)) {
|
|
esw->esw_funcs.num_vfs = num_vfs;
|
|
return;
|
|
}
|
|
|
|
out = mlx5_esw_query_functions(esw->dev);
|
|
if (IS_ERR(out))
|
|
return;
|
|
|
|
esw->esw_funcs.num_vfs = MLX5_GET(query_esw_functions_out, out,
|
|
host_params_context.host_num_of_vfs);
|
|
kvfree(out);
|
|
}
|